40 POINTS.will give brainliest happily if helped ASAP
1.
Which of the following muscles are attached to a bone?


Bladder muscles

Cardiac muscles

Skeletal muscles

Stomach muscles
2.
What is the main function of the endocrine system?

To control body activities through the release of chemicals

To help in body movements and maintaining posture

To produce new individuals through fertilization

To exchange gases like oxygen across the body

3.
Which of the following microorganisms is most likely to get its main source of nutrition from a host?


Bacteria

Parasite

T-cell

Virus